Preservation of infectivity of Anaplasma marginale.
D000709:Anaplasma / Q000276:immunology*; D000712:Anaplasmosis / Q000276:immunology / Q000662:veterinary*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D008297:Male; D011309:Preservation, Biological